Results 81 to 90 of about 14,828 (226)

Soil carbon in regenerating high country grassland agroecosystems in New Zealand

open access: yesAgrosystems, Geosciences &Environment, Volume 8, Issue 4, December 2025.
Abstract Pastoral grasslands in New Zealand's mountainous landscapes contribute substantially to a primarily agricultural national economy. This landscape supports mosaics of regenerating indigenous biodiversity among more productive naturalized exotic herbage, each raising fundamental ecological, agronomic, and environmental concerns.
Shyam Provost   +3 more
wiley   +1 more source

Informe de la diversitat del gènere Hieracium L. (Asteraceae) al Parc Natural dels Ports [PDF]

open access: yes, 2006
71 p.
Montes-Moreno, Noemí   +2 more
core  

Geoecology of limestone‐hosted dryland calcicolous plants, North Otago, New Zealand

open access: yesNew Zealand Journal of Geology and Geophysics, Volume 68, Issue 5, Page 1100-1119, December 2025.
ABSTRACT Dryland calcicolous plants are drought‐tolerant species that are adapted to survive on alkaline low‐nutrient bare substrates derived from limestone around the world. Outcrops of the Otekaike Limestone of North Otago host some rare low‐growing (<10 cm) endemic calcicoles, and conservation reserves have been created at some localities.
Dave Craw, Cathy Rufaut, Marshall Palmer
wiley   +1 more source

The genus Hieracium (Asteraceae) in Catalonia (Northeastern Iberian Peninsula, Spain) [PDF]

open access: yes, 2016
Se presenta un listado comentado de las especies actualmente conocidas en Cataluña, con referencias a su distribución y relaciones taxonómicas, afectando a un total de 141 unidades.An account of the Hieracium species of Catalonia (northeastern Spain) is ...
Mateo Sanz, Gonzalo, Sáez, Llorenç
core  

Temporal and spatial expression of genes involved in DNA methylation during reproductive development of sexual and apomictic Eragrostis curvula [PDF]

open access: yes, 2017
Recent reports in model plant species have highlighted a role for DNA methylation pathways in the regulation of the somatic-to-reproductive transition in the ovule, suggesting that apomixis (asexual reproduction through seeds) likely relies on RdDM ...
Echenique, Carmen Viviana   +9 more
core   +1 more source

Typification of the Hieracium (Asteraceae) names described by J. Freyn from Turkey [PDF]

open access: yes, 2012
Nine names in Hieracium s.l. by Josef Freyn and three names by Karl H. Zahn from Turkey are lectotypified from among specimens stored at BRNM. For another two species the holotypes were found in BRNM and WRSL. The authorship of the name H. leucothecum is
Szeląg, Zbigniew
core  

Tipificación de Crepis sancta (L.) Babc. (Compositae, Cichorieae)

open access: yesCollectanea Botanica, 2016
Se discute la tipificación del nombre Crepis sancta (L.) Babc. in Unif. Calif. Public. Bot. 19: 403 (1941) [≡ Hieracium sanctum L., Cent. Pl. II: 30 (1756), basiónimo] (Compositae, Cichorieae).
P. P. Ferrer-Gallego, S. Talavera
doaj   +1 more source

Aportaciones al conocimiento del género Hieracium L. en España, XVII [PDF]

open access: yes, 2014
Se proponen 4 nuevas especies del género Hieracium (Compositae) y se comentan numerosas novedades corológicas de otras especies del mismo género en diversas provincias de España (fundamentalmente del norte)
Egido Mazuelas, Fermín del   +1 more
core  

Sterol composition from inflorescences of Hieracium pilosella L.

open access: yesActa Societatis Botanicorum Poloniae, 2011
The fraction of sterol acetates from the inflorescences of Hieracium pilosella has been isolated in the typical way from petroleum ether extract. By means of the weight method the total amount of sterols was determined (0.2659%).
Tadeusz Krzaczek   +1 more
doaj   +1 more source

Notes on the Biology of \u3ci\u3eMelanocanthon Nigricornis\u3c/i\u3e (Coleoptera: Scarabaeidae) [PDF]

open access: yes, 2018
Melanocanthon nigricornis was observed to break up, bundle up, roll away, and bury pieces of the cap of a gill mushroom growing in sandy prairie in Wisconsin.
Kriska, Nadine L, Williams, Andrew H
core   +2 more sources

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